#6 News Filter for Sources Implementation #667

Referring to Card [#667](https://projects.fafadiatech.com/projects/mobile/work_packages/667/activity) ## Description * Implemented Filtering for News Searching * Fixed Hash Tag Filter Not Working ## Checklist - [x] Ensure any merge conflicts are solve for PR - [x] Ensure you've referenced PR in Issue via comments - [x] If PR include UI change/Workflow change please include before and after GIF - [ ] Did we update user manual for any changes? (E.g. New Feature, Changes to existing workflow)